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7501
Field mounted HART temperature transmitter
- RTD, TC, Ohm, and bipolar mV input and analog output
- High definition local operator interface (LOI) with 3 optical buttons
- Selectable red or white backlight
- Ex d explosion proof / flame proof in aluminum or 316 stainless steel version
- HART 7 functionality with HART 5 compatibility
High defintion display
- 0, 90, 180, & 270 degree position adjustments.
- Monitoring, programming and diagnostics view.
- Extensive diagnostics with flashing red or white backlight
- Supports 7 languages.
Local operator interface (LOI)
- 3 optical buttons; up, down and enter.
- Dynamically adaptive to wear or accumulation of dirt.
- Immune to interference from ambient light sources.
- Useable with or without gloves.
Configuration
- From the LOI through PR guided menu.
- PReset and HART modem.
- HHC, DCS or AMS via HART.
Mounting / installation
- For installation in zone 0, 1, 2 and zone 20, 21, 22 and in Class 1, Division 1 and 2 applications.
- Hardware assessed for use in SIL 2 applications.
- Mounting on 1.5”–2” pipe bracket or on wall / bulkhead.
Application
- Linearized temperature measurement with TC and RTD sensors e.g. Pt100 and Ni100.
- HART communication and 4...20 mA analog PV output for individual, difference or average temperature measurement of up to two RTD or TC input sensors.
- Conversion of linear resistance to a standard analog current signal, e.g from valves or Ohmic level sensors.
- Amplification of bipolar mV signals to standard 4...20 mA current signals.
- Up to 63 transmitters (HART 7) can be connected in a multidrop communication setup.
Technical characteristics
- NAMUR NE43 and NE89.
- HART protocol revision can be changed by user configuration to either HART 5 or HART 7 protocol.
Declaration of Conformity
Environmental Conditions
| Operating temperature |
-40°C to +85°C (with silicone O-ring)
-20°C to +85°C (with FKM O-ring) |
| Storage temperature | -40°C to +85°C |
| Calibration temperature | 20...28°C |
| Relative humidity | 0...100% RH (condensing) |
| Protection degree | IP54 / IP66 / IP68 / type 4X |
Mechanical specifications
| Dimensions | Ø 110 mm |
| Dimensions (HxWxD), aluminum | 109.3 x 145 x 126 mm |
| Dimensions (HxWxD), stainless steel | 107.4 x 145 x 124 mm |
| Weight approx., aluminum / stainless steel | 1.3 / 2.8 kg |
| Wire size | 0.13 x1.5 mm2 / AWG 26...16 stranded wire |
| Screw terminal torque | 0.4 Nm |
| Vibration | IEC 60068-2-6 |
| 2...25 Hz | ±1.6 mm |
| 25...100 Hz | ±4 g |
| Display resolution | 96 x 64 pixels |
| Number of digits | 5 |
| Backlight | Selectable ON/OFF |
| Backlight color | Selectable white or red |
Common specifications
Supply |
|
| Supply voltage, DC: Ex ia, intrinsically safe | 10 (12 - with backlight)...30 VDC |
| Supply voltage, DC: Other | 10 (12 - with backlight)...35 VDC |
Isolation voltage |
|
| Isolation voltage, test / working | 1.5 kVAC / 50 VAC |
Response time |
|
| Response time (programmable) | 1...60 s |
| Signal / noise ratio | > 60 dB |
| Programming | HART |
| Start-up time, transmitter to display | Max. 5 s |
| Long-term stability, better than | ±0.1% of span / year |
| Accuracy | Better than 0.05% of selected range |
| Signal dynamics, input | 22 bit |
| Signal dynamics, output | 16 bit |
| EMC immunity influence | < ±0.1% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
Input specifications
Common input specifications |
|
| Max. offset | 50% of selected max. value |
RTD input |
|
| RTD type | Pt50/100/200/500/1000; Ni50/100/120/1000 |
| Cable resistance per wire | 5 Ω (up to 50 Ω per wire is possible with reduced measurement accuracy) |
| Sensor current | Nom. 0.2 mA |
Linear resistance input |
|
| Linear resistance min....max. | 0 Ω...7000 Ω |
TC input |
|
| Thermocouple type | B, E, J, K, L, N, R, S, T, U, W3, W5, LR |
| Cold junction compensation (CJC) | Constant, internal or external via a Pt100 or Ni100 sensor |
Voltage input |
|
| Measurement range | -800...+800 mV |
| Min. measurement range (span) | 2.5 mV |
| Input resistance | 10 MΩ |
Output specifications
Current output |
|
| Signal range | 4…20 mA |
| Min. signal range | 16 mA |
| Load (@ current output) | ≤ (Vsupply - 10) / 0.023 [Ω] |
| Load resistance, with backlight | ≤ (Vsupply - 12) / 0.023 [Ω] |
| Sensor error indication | Programmable 3.5…23 mA |
| NAMUR NE43 Upscale/Downscale | 23 mA / 3.5 mA |
Common output specifications |
|
| Updating time | 440 ms |
| HART protocol revisions | HART 7 and HART 5 |
Observed authority requirements
| EMC | 2014/30/EU |
| EAC | TR-CU 020/2011 |
Approvals
| EU RO Mutual Recognition Type Approval | MRA0000009 |
| ATEX | DEKRA 15 ATEX 0058 X |
| IECEx | IECEx DEK 15.0039 X |
| FM | FM16US0009X / FM16CA0010X |
| CSA | 70024231 |
| INMETRO | DEKRA 15.0014 X |
| NEPSI | GYJ15.1336X, GYJ15.1337X and GYJ15.1338X |
| EAC Ex | RU C-DK.HA65.B.00355/19 |
| SIL | Hardware assessed for use in SIL applications |
277
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7501 Bracket spare part for transmitter only[VIDEO] 7501 Field mounted HART temperature transmitter with display and optical buttons
Easy configuration and diagnostics from the front... The 7501 Field mounted HART temperature transmitter can be mounted in 3 ways: on the temperature sensor, on a pipe, or on a bulkhead....